diff --git a/profile.json b/profile.json
index b1ee16e..ff9fa4d 100644
--- a/profile.json
+++ b/profile.json
@@ -4,16 +4,7 @@
 	"panels_shader": { "FadeWhite": { "strength": 10 } },
 	"panels": [
 		{
-			"geometry": {
-				"pos": {
-					"x": 0,
-					"y": 312
-				},
-				"size": {
-					"x": 1360,
-					"y": 768
-				}
-			},
+			"geometry": "1360x768+0+312",
 			"duration": 1800,
 			"fade_point": 1440,
 			"parallax": {
@@ -22,16 +13,7 @@
 			}
 		},
 		{
-			"geometry": {
-				"pos": {
-					"x": 1360,
-					"y": 0
-				},
-				"size": {
-					"x": 1920,
-					"y": 1080
-				}
-			},
+			"geometry": "1920x1080+1360+0",
 			"duration": 1800,
 			"fade_point": 1440,
 			"parallax": {
diff --git a/zsw-util/src/rect.rs b/zsw-util/src/rect.rs
index 7e3e204..c91f77d 100644
--- a/zsw-util/src/rect.rs
+++ b/zsw-util/src/rect.rs
@@ -4,12 +4,11 @@
 use {
 	anyhow::Context,
 	cgmath::{num_traits::Num, Point2, Vector2},
-	std::{error::Error, fmt},
+	std::{borrow::Cow, error::Error, fmt},
 };
 
 /// A rectangle
 #[derive(PartialEq, Eq, Clone, Copy, Debug)]
-#[derive(serde::Serialize, serde::Deserialize)] // TODO: serialize to string
 pub struct Rect<P, S = P> {
 	/// Position
 	pub pos: Point2<P>,
@@ -131,3 +130,22 @@ impl fmt::Display for Rect<i32, u32> {
 		Ok(())
 	}
 }
+
+impl<'de> serde::Deserialize<'de> for Rect<i32, u32> {
+	fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+	where
+		D: serde::Deserializer<'de>,
+	{
+		let s = Cow::deserialize(deserializer)?;
+		Self::parse_from_geometry(&s).map_err(serde::de::Error::custom)
+	}
+}
+
+impl serde::Serialize for Rect<i32, u32> {
+	fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+	where
+		S: serde::Serializer,
+	{
+		serializer.serialize_str(&self.to_string())
+	}
+}